<div dir="ltr"><div>Dear QE Users,<br></div>I am new to Quantum Espresso. My research focuses on optoelectronic properties observation of GaN nanowire.I need to get the band-structure of nanowire. As I am new to QE, I need to simulate a nanowire in qe, Now, Nanowires are 1D. Quantum espresso calculates actually periodic crystal. How can I prepare an input file for my nanowire ? Could you please anyone help me with some insight or example files maybe ? Or any suggestion on any specific GUI ? <br></div><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Oct 15, 2017 at 12:11 PM, Rajesh <span dir="ltr"><<a href="mailto:creativeidleminds@gmail.com" target="_blank">creativeidleminds@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Dear Prof Paulatto ,<div><br></div><div>Than you for your response. I need to use qe for openmpi as well openmp but on separate workstations. I think openmp works better on multi-cpu pc and openmpi on multi node clusters. I am right?</div><div><br></div><div>Thank you.</div></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Oct 15, 2017 at 12:42 AM, Lorenzo Paulatto <span dir="ltr"><<a href="mailto:paulatz@gmail.com" target="_blank">paulatz@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span>On 14/10/17 09:15, Rajesh wrote:<br>
> Dear Prof Giannozzi,<br>
> Thank you for your reply. But I need openmpi parallelization.<br>
<br>
</span>openmpi is NOT OpenMP, the former is an open-source implementation of<br>
MPI, the later is shared-memory vectorization based on compile-time<br>
instructions. The first is required to run in parallel, you need both<br>
for huge number of CPUs.<br>
<br>
What do you need exactly ?<br>
<span class="m_-9105182897284794552HOEnZb"><font color="#888888"><br>
--<br>
Lorenzo Paulatto - Paris<br>
</font></span><div class="m_-9105182897284794552HOEnZb"><div class="m_-9105182897284794552h5"><br>
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